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Igoryamba
3 years ago
15

Solve for x a)14.5 b)10 c)6/3 d) 20

Mathematics
2 answers:
insens350 [35]3 years ago
5 0

Answer:

b. 10

Step-by-step explanation:

The triangles are all similar, so you have ...

hypotenuse/short side = x/4 = 25/x

Cross multiplying gives ...

x^2 = 100

x = 10 . . . . . . . take the square root

Elza [17]3 years ago
3 0

Answer:

The answer is b) 10

Step-by-step explanation:

We have to use the theorem of the cathetus or  leg rule,  that says "Each leg of the right triangle is the mean proportional between the hypotenuse and the part (projection) of the hypotenuse directly below the leg"

hypotenuse/leg =leg/part or b²= m*a

In this case,  

hypotenuse= m

leg=x

part= 4

So,  

x= √((21+4)*4)

x= √((25)*4)

x= √100

x= 10

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